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New York Harbor Water Quality Report

Celebrating 100 Years

This centennial report, New York Harbor Survey Program 1909–2009, celebrates the success of the Harbor Survey Program, and catalogues the progress the city has made throughout the decades.

Harbor Water Quality Survey Annual Report

The City of New York has been collecting water quality data in New York Harbor since 1909. These data are utilized by regulators, scientists, educators and citizens to assess impacts, trends and improvements in the water quality of New York Harbor.

Past Annual Reports

Reservoir Levels

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